Retail model
VTO3221E-P
Dahua and Global DS and Viatec lists 10 firmware files for the VTO3221E-P. This is the retail model name. Inside the firmware, Dahua uses its own device IDs, listed below, which can lead you to more compatible firmware.
- Firmware files
- 10
- Newest
- Oct 7, 2026
- Listed by
- Dahua, Global DS, Viatec
- Dahua device IDs
- 7
Vendor notes
- Folder: VDP - IP video kaputelefonok/SIP 2.0 (V4.5) A régi VT-s eszközökhöz NEM használható!!!!/VTO - Kapuegységek/VTO3221E-P
- Folder: VDP/SIP2.0-FW/VTO3221E-P
Firmware
- DH_VTOX221E_MultiLang_PN_PAAS_SIP_EMEA_V4.600.0000000.5.R.260624.zipDownload
Released Oct 7, 2026 · V4.600.0000000.5.R · 7 devices · Dahua
- DH_VTOX221E_MultiLang_PN_PAAS_SIP_Asia_V4.600.0000000.4.R.250723.zipDownload
Released Aug 20, 2025 · V4.600.0000000.4.R · 7 devices · Dahua
- DH_VTOX221E_MultiLang_PN_PAAS_SIP_CEE-Nordic_V4.600.0000000.4.R.250723.zipDownload
Released Aug 20, 2025 · V4.600.0000000.4.R · 7 devices · Dahua
- DH_VTOX221E_MultiLang_PN_PAAS_SIP_EMEA_V4.600.0000000.4.R.250723.zipDownload
Released Aug 20, 2025 · V4.600.0000000.4.R · 7 devices · Dahua
- 1917569_DH_VTOX221E_MultiLang_PN_PAAS_SIP_CEE-Nordic_V4.600.0000000.0.R.220805.zipDownload
Released Sep 29, 2022 · V4.600.0000000.0.R · 7 devices · Dahua
- 1917575_DH_VTOX221E_MultiLang_PN_PAAS_SIP_Asia_V4.600.0000000.0.R.220805.zipDownload
Released Sep 29, 2022 · V4.600.0000000.0.R · 7 devices · Dahua
- General_VTO3221E_MultiLang_PN_SIP_V4.500.0000002.0.R.210713.binDownload
Released Jul 13, 2021 · V4.500.0000002.0.R · 2 devices · Global DS
- General_VTO3221E-data_MultiLang_Eng_PN_128M_SIP_PART_V4.500.0000002.0.R.20210601.binDownload
Released Jun 1, 2021 · V4.500.0000002.0.R · 7 devices · Global DS
- General_VTO3-6-MCU_V4.500.0000000.2.R.201029.zipDownload
Released Mar 25, 2021 · V4.500.0000000.2.R · Microcontroller firmware · Dahua
- DH_VTO3221E_MultiLang_PN_SIP_V4.500.0000000.5.R.201026.binDownload
Released Oct 26, 2020 · V4.500.0000000.5.R · 2 devices · Viatec
Dahua device IDs in this firmware
Compare these with the updateSerial your device reports. Each one links to every firmware found for that ID.